package com.xxxx.seckill.controller;

import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.xxxx.seckill.pojo.User;
import com.xxxx.seckill.service.GoodsService;
import com.xxxx.seckill.vo.DetailVo;
import com.xxxx.seckill.vo.GoodsVo;
import com.xxxx.seckill.vo.RespBean;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.thymeleaf.context.WebContext;
import org.thymeleaf.spring5.view.ThymeleafViewResolver;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;
import java.util.concurrent.TimeUnit;

@Slf4j
@Controller
@RequestMapping("/goods")
public class GoodsController {

	@Autowired
	private GoodsService goodsService;
	@Autowired
	private RedisTemplate redisTemplate;
	@Autowired
	private ThymeleafViewResolver thymeleafViewResolver;

	@RequestMapping(value = "/toList",produces = "text/html;charset=utf-8")
	@ResponseBody
	public String toList(Model model, User user, HttpServletRequest request, HttpServletResponse response){
		ValueOperations valueOperations = redisTemplate.opsForValue();
		String html = (String)valueOperations.get("goodsList");
		if(!StringUtils.isEmpty(html)){
			return html;
		}
		model.addAttribute("user",user);
		model.addAttribute("goodsList", goodsService.findGoodsVo());
		WebContext webContext = new WebContext(request,response,request.getServletContext(),request.getLocale(),model.asMap());
		html = thymeleafViewResolver.getTemplateEngine().process("goodsList", webContext);
		if(!StringUtils.isEmpty(html)){
			valueOperations.set("goodsList",html,60, TimeUnit.SECONDS);
		}
//		return "goodsList";
		return html;
	}

//	@RequestMapping(value = "/toDetail/{goodsId}",produces = "text/html;charset=utf-8")
//	@ResponseBody
//	public String toDetail(Model model, User user, @PathVariable Long goodsId,HttpServletRequest request,HttpServletResponse response){
//		ValueOperations valueOperations = redisTemplate.opsForValue();
//		String html = (String)valueOperations.get("goodsDetail:" + goodsId);
//		if(!StringUtils.isEmpty(html)){
//			return html;
//		}
//		model.addAttribute("user",user);
//		GoodsVo goodsVo = goodsService.findGoodsVoByGoodsId(goodsId);
//		Date startDate = goodsVo.getStartDate();
//		Date endDate = goodsVo.getEndDate();
//		Date nowDate = new Date();
//		int secKillStatus = 0;
//		int remainSeconds = 0;
//		if(nowDate.before(startDate)){
//			remainSeconds = (int)((startDate.getTime()-nowDate.getTime())/1000);
//		}
//		else
//			if(nowDate.after(endDate)){
//			secKillStatus = 2;
//			remainSeconds = -1;
//		}else{
//			secKillStatus = 1;
//			remainSeconds = 0;
//		}
//		model.addAttribute("remainSeconds",remainSeconds);
//		model.addAttribute("secKillStatus",secKillStatus);
//		model.addAttribute("goods",goodsVo);
//		WebContext webContext = new WebContext(request, response, request.getServletContext(), request.getLocale(),model.asMap());
//		html = thymeleafViewResolver.getTemplateEngine().process("goodsDetail", webContext);
//		if(!StringUtils.isEmpty(html)){
//			valueOperations.set("goodsDetail:"+goodsId,html,60,TimeUnit.SECONDS);
//		}
////		return "goodsDetail";
//		return html;
//	}

	@RequestMapping("/detail/{goodsId}")
	@ResponseBody
	public RespBean toDetail(User user, @PathVariable Long goodsId){
		GoodsVo goodsVo = goodsService.findGoodsVoByGoodsId(goodsId);
		Date startDate = goodsVo.getStartDate();
		Date endDate = goodsVo.getEndDate();
		Date nowDate = new Date();
		int secKillStatus = 0;
		int remainSeconds = 0;
		if(nowDate.before(startDate)){
			remainSeconds = (int)((startDate.getTime()-nowDate.getTime())/1000);
		}
		else
		if(nowDate.after(endDate)){
			secKillStatus = 2;
			remainSeconds = -1;
		}else{
			secKillStatus = 1;
			remainSeconds = 0;
		}
		DetailVo detailVo = new DetailVo();
		detailVo.setUser(user);
		detailVo.setGoodsVo(goodsVo);
		detailVo.setSecKillStatus(secKillStatus);
		detailVo.setRemainSeconds(remainSeconds);
		return RespBean.success(detailVo);
	}
}